United States History On This Date: May 10th

1775 — Ethan Allen and the Green Mountain Boys Seize Fort Ticonderoga

Before dawn, Ethan Allen and Benedict Arnold lead a daring assault on the British garrison at Fort Ticonderoga, New York. The surprise victory yields artillery later used to drive British forces from Boston. It stands as one of the Revolution’s first morale‑boosting triumphs, proving that colonial militias could strike effectively against imperial power.

1869 — Golden Spike Joins the Nation’s Rails at Promontory Summit

In Utah Territory, the Union Pacific and Central Pacific railroads meet, completing America’s first transcontinental railway. The ceremonial golden spike symbolizes unity after the Civil War and ushers in a new era of commerce and migration. Travel from coast to coast shrinks from months to days, transforming the nation’s economy and its sense of scale.

1933 — New Deal Public Works Projects Begin to Reshape America

President Franklin D. Roosevelt’s administration launches the Public Works Administration to combat Depression‑era unemployment. Engineers and laborers start designing bridges, schools, and dams that will redefine the nation’s infrastructure. The program revives local economies and cements the federal government’s role in economic recovery and modernization.

1960 — U‑2 Spy Plane Crisis Deepens Cold War Tensions

After the Soviet Union shoots down an American U‑2 reconnaissance plane, Washington confirms pilot Francis Gary Powers is alive and in custody. The incident embarrasses the Eisenhower administration and derails a planned summit with Premier Khrushchev. It marks a turning point in Cold War espionage and diplomacy.

The ceremony of the driving of the “Last Spike” at Promontory Summit, Utah, May 10, 1869, where the rails of the Central Pacific Railroad and the Union Pacific Railroad were joined